
extern void Matrix4Mul(float mat1[4][4], float mat2[4][4]);
extern void Add4(float vect1[4], float vect2[4], float vect3[4]);
extern void _Sub4(float vect1[4], float vect2[4], float vect3[4]);
extern void Mtrx4Mul(float mat1[4][4], float mat2[4][4]);
extern void Ld_ext(float mat[4][4]);
extern void Nop();
